/**
* @depends testBoardCreation
*/
public function testCleanSquares(Board $board)
{
$squares = array($board->getSquareByPos(1, 1), null, $board->getSquareByPos(3, 8), $board->getSquareByPos(3, 8));
$cleanSquares = array($board->getSquareByPos(1, 1), $board->getSquareByPos(3, 8));
$this->assertSame($cleanSquares, $board->cleanSquares($squares));
}